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Table 4 Intra-rater reliability. (ICC Type (3,1) = two way mixed-effects model, absolute agreement, individual; Number of targets 50; number of ratings 3; all ICC values are significant with p < 0.0001)

From: Concurrent validity and reliability of measuring range of motion during the cervical flexion rotation test with a novel digital goniometer

FRT Examiner 1   Examiner 2  
ICC (3,1) SEM SDD ICC (3,1) SEM SDD
Right 0.954 (95%CI 0.89–0.97) 1.56° 4.32° 0.924 (95%CI 0.88–0.95) 1.8° 4.99°
Left 0.955 (95%CI 0.93–0.97) 1.35° 3.74° 0.94 (95%CI 0.9–0.96) 1.68° 4.66°
Total 0.96 (95%CI 0.94–0.98) 2.37° 6.57° 0.936 (95%CI 0.9–0.96) 2.85° 7.90°